👤

[(64 x 33 x 2:4-500 × 2): 2 + 5x a] - 6 × 12 + 999:9 = 112​

Răspuns :

Explicație pas cu pas:

[(2112×2:4-1000):2+5×a]-6×12+111=112

[(4224:4-1000):2+5×a]-72+111=112

[(1056-1000):2+5×a]-72+111=112

(56:2+5×a)-72-111=112

(28+5×a)-72=1

28+5×a=72+1

28+5×a=73

5×a=73-28

5×a=45

a=45:5

a=9

Succes!